Honors Biology Chapter 8 Exam Questions and Answers 100% Pass
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Course
Honors Biology
Institution
Honors Biology
Honors Biology Chapter 8 Exam
Questions and Answers 100% Pass
Cell Cycle - The sequence of events that occur in the life of a cell from
one division to the next
3 major events in the cell cycle - Interphase, Mitosis, Cytokinesis
3 stages of interphase - G1 Phase, S Phase, G2 Phase
G1 Phase - ...
Cell Cycle - ✔✔The sequence of events that occur in the life of a cell from
one division to the next
3 major events in the cell cycle - ✔✔Interphase, Mitosis, Cytokinesis
3 stages of interphase - ✔✔G1 Phase, S Phase, G2 Phase
G1 Phase - ✔✔Occurs immediately after cell division, period of cell growth
S Phase - ✔✔DNA replicates, although DNA is not yet visible as
chromosomes
G2 Phase - ✔✔Another period of cell growth
Mitosis - ✔✔The division of a cell's nuclear contents
Stages of Mitosis - ✔✔Prophase, Metaphase, Anaphase, Telephase
Prophase - ✔✔Longest stage of mitosis
What happens during prophase - ✔✔Nuclear membrane and nucleolis
disappear, then chromatin will shorten, thicken, and wrap around histones
Chromatin - ✔✔Invisible molecular DNA
, Histones - ✔✔Blobs of protein
Sister Chromatids - ✔✔The 2 identical parts of a chromosome
Centromere - ✔✔Circular structure that holds sister chromatids together
Centrosomes - ✔✔Contain a pair of centrioles
Centrioles - ✔✔Start to move towards opposite poles of the cell during
prophase
Spindle Fibers - ✔✔Fibers composed of microtubules that begin to grow
out from chromosomes (may be kinetochore or polar)
Kinetochore Fibers - ✔✔Connect to the chromosomes and move around
Metaphase - ✔✔Centrosomes are at opposite poles, the chromosomes are
lined at the equator of the cell, and they are moved by kinetochore spindle
fibers
Mitotic Spindle - ✔✔Fibers that separate chromosomes
Telephase - ✔✔Begins when chromosomes reach opposite poles the last
events of Telephase is the reverse of prophase
Chromosomes - ✔✔Chromatids right after they have separated
Cytokinesis - ✔✔The division of the cell membrane/wall and cytoplasmic
contents into two separate daughter cells
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